Dear all
I finally managed to update the english part of my web site! I completely
rewrote the site (the content remains approximatively the same but the look
is different).
The main difference in the content is about the Shadows program: the new
version 2.0 is now available and I wrote a new set
Hello to all of you
I would like to introduce you my new home page which presents some of my
hobbies. One of thoses is sundials. The page concerning the sundials is :
http://www.fc-net.fr/~frb/cadrans.html
This is a page written in French (I hope to publish soon a translation in
English)
Hi dear gnomonists...
Can someone help me with the calculation of the equation of time ?
I use the following equation:
E = 460 sin M - 592 sin 2 (w+M)
in seconds
where M is (360/365.25)(t-t0) with t0 the instant of perihelion crossing
and w the perihelion longitude.
The curve
Dear gnomonists
I really appreciate the number of answers to my question on the equation of
time. I am happy to see that it generates such an interesting traffic...
Thanks to every contributors;
I will consider all your suggestions to include the good equation in my
software Shadows and provide
Hi everybody,
Shadows version 0.82 is now available on my web page
http://www.fc-net.fr/~frb/shadows.html
This free software for Windows 95 or NT allows one to design plan sundials.
This version has some major improvements especially for non-european users.
This is still a beta version but I hope
Dear dialists
I would like to warn you if you have downloaded my software Shadows 0.82 :
- the equation of time seems to have the wrong sign and therefore gives a
inverted correction (ie +3' 30" instead of -3' 30" to convert the true
local time to mean local time.
- the time zone correction can
Hi Dear Gnomonists
I have uploaded yesterday a new version of my software Shadows 0.90 on my
web page (http://www.fc-net.fr/~frb/shadows.html).
This version is coming slowly closer to the first release (1.0) and fixes a
lot of problems encountered in the previous version. Some new features have
b
accuracy could be a problem
is if you draw a very small handheld sundial.
This rounding operation comes from early versions
of Shadows and I will probably remove it in a future version to avoid such
aesthetic problems.
Regards
François Blateyron
www.shadowspro.com
- Original Message
Some further details about the Obelisk sundial :
http://www.cadrans-solaires.org/gb/vuduciel.html
cheers
François Blateyron
- Original Message -
From: Willy Leenders
To: Sundial sundiallist
Sent: Monday, December 11, 2006 6:27 PM
Subject: Place de la Concorde on Google
Dear all
I wish you all a happy new year 2007 with plenty of Sun and interesting
sundials projects.
Best regards
François Blateyron
www.shadowspro.com
www.cadrans-solaires.org
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